Answer:a
Step-by-step explanation:
Answer:
what the heck is that i rhink you mess up
D1×D2/2sq
445×5= 225
225/2
=112.5
3x^2 - 11x - 4
( x - 4 ) ( 3x + 1 )
= 3x^2 + x - 12x - 4
= 3x^2 - 11x - 4
<u><em>Hope this helps :)</em></u>
